Brush head for electric toothbrush



FIG. 1 is a perspective view showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line immediately adjacent the solid line boundary in FIG. 7 represents an unclaimed boundary while all of the other broken lines illustrate portions of the brush head that along with the unclaimed boundary form no part of the claimed design. 

The ornamental design for a brush head for electric toothbrush, as shown and described. 